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    What is UV technology

    Ultra-Violet (UV) light is invisible to human eyes. It can be subdivided into three categories: UVA, UVB and UVC. UV-A from 315 to 400 nm UV-B from 280 to 315 nm UV-C from 100 to 280 nm.
    UV technology

     

    UVC radiation is known to break the DNA of bacteria, viruses and spores. As a result, they are rendered harmless.

     


    UV radiation can be used for multiple purposes in water and air treatment, but is primarily employed as a disinfection process that inactivates micro-organisms without chemicals. For other applications, UV is used for the removal of organic and inorganic chemicals, including chlorine, chloramines, ozone and Total Organic Carbon (TOC) emerging contaminants.

    Benefits of UVC technology

       

    • UVC radiation has been proven to be effective against waterborne pathogenic microorganisms including those responsible for cholera, hepatitis, polio, typhoid, giardia, cryptosporidium and many other bacterial, viral and parasitic diseases
    • UVC radiation can be used to destroy chemical contaminants such as pesticides, hormones and other pharmaceuticals in drinking water or waste water
    • UVC installations have low capital and operation cost
    • UVC technology is environmentally friendly
    • UVC installations are easy to operate and to maintain
    • UVC radiation has no harmful effect when overdosed
    • UVC radiation works instantly and the effectiveness does not depend on the water temperature
    • UVC disinfection is a physical process: no substances are added to the water
    • UVC disinfection is complementary to Chlorine disinfection: it deactivates organisms that are resistant to Chlorine such as giardia and cryptosporidium
    • UVC lamps can be easily regulated to optimise treatment for variations of water quality and for changing water flows
    • UVC radiation will keep the surface of reservoirs clean from biofilm
    • The UVC disinfection effect is directly related to the UV dose (which is the product of intensity and exposure time of the micro-organisms) so it’s effectiveness can be simply measured once the system design is validated

    Why choose Philips UV lamps?

     

    Reliable UVC output over lifetime

    All Philips UVC low pressure mercury lamps contain a unique coating on the inner glass wall that ensures the UVC output over the useful life of the lamp never drops below 85% of its initial output

    Lowest mercury content for a better environment

    Philips has always taken the lead in reducing the amount of mercury required to operate fluorescent lamps. To dose the mercury in the lamp we use a unique mercury capsule that results in:

     

    • Precise dosing of the smallest amount of mercury in a very reproducible way
    • No mercury emission during manufacturing
    • Optimum lamp performance with lowest possible amount of mercury in the lamps

     

    Cutting-edge automated production lines to retain high quality of our lamps

    The production lines have automated processes for electrode processing and emitter dosing. Vision systems check the positioning of the electrode. All lamps are checked at the end of the line and if they do not fulfil the requirements these are automatically rejected. As a result we can guarantee a constant quality of our lamps

    Application fields

     

    Philips offers a full range of UV lamps and drivers that are suitable for use in various applications in residential water and air treatment, municipal and industrial water purification and commercial & professional air purification.

    application fields air